Origin: Latin prefix ultra-
Ultramarine has 5 different meanings across 2 categories:
blue pigment made of powdered lapis lazuli
a vivid blue to purple-blue color
A brilliant blue pigment that is either extracted from mineral deposits or made synthetically; traditionally made from ground-up lapis lazuli.
of a brilliant pure blue to purplish blue color
Of a brilliant blue colour.
The word comes from Medieval Latin ultrāmarīnus, which combines "beyond" and "of the sea." It originally described a pigment made from lapis lazuli that had to be imported from distant lands across the ocean.